Question

Vahi ma'am has three Tatva books, one for chemistry, physics and biology. The chemistry book
had 120 pages, the physics book has 10% more pages and the biology book has 10% fewer
pages. In a class, she went through 2,5%, 25% and 50% of the pages in the chemistry, physics
and biology books respectively, then how many pages in total did she cover in the class?
Your Answer
a) 25%
b) 5%
c) 50%
d) 2.5%​

Answer 1

Step-by-step explanation:

Vahi ma'am has three Tatva books, one for chemistry, physics and biology. The chemistry book

had 120 pages, the physics book has 10% more pages and the biology book has 10% fewer

pages. In a class, she went through 2,5%, 25% and 50% of the pages in the chemistry, physics

and biology books respectively, then how many pages in total did she cover in the class?

Your Answer

a) 25%

b) 5%

c) 50%

d) 2.5%

ans. d